Home / 14,400.49-19,879.35-10,155.01

Finding the Fourth Proportional to 14,400.49, 19,879.35 and 10,155.01

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Solution

The fourth proportional to 14,400.49, 19,879.35 and 10,155.01 is: 14,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,400.49 : 19,879.35 = 10,155.01 : x
  2. Step 2: Convert to fraction form
    14,400.49/19,879.35 = 10,155.01/x
  3. Step 3: Cross multiply
    14,400.49x = 19,879.35 × 10,155.01
  4. Step 4: Simplify right side
    14,400.49x = 201,874,998.04
  5. Step 5: Solve for x
    x = 201,874,998.04/14,400.49
  6. Step 6: Final answer
    x = 14,018.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.